questionsmedicales.fr
Phénomènes physiologiques de l'appareil locomoteur et du système nerveux
Phénomènes physiologiques du système nerveux
Transmission synaptique
Transmission synaptique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Dysfonctionnement synaptique
Électrophysiologie
IRM fonctionnelle
Électroencéphalogramme
Troubles de la mémoire
Convulsions
Microscopie à fluorescence
Transmission synaptique
Synaptophysine
Marqueurs biologiques
Symptômes
5
Troubles cognitifs
Spasmes musculaires
Dépression
Plasticité synaptique
Troubles de l'humeur
Neurotransmetteurs
Tremblements
Troubles de la coordination
Fatigue chronique
Transmission synaptique
Prévention
5
Mode de vie sain
Alimentation équilibrée
Stress chronique
Plasticité synaptique
Exercice physique
Santé neuronale
Sommeil
Régénération synaptique
Méditation
Plasticité synaptique
Traitements
5
Antidépresseurs
Nootropiques
Thérapie cognitive
Plasticité synaptique
Suppléments alimentaires
Oméga-3
Stimulation cérébrale
Connexions synaptiques
Thérapies comportementales
Plasticité synaptique
Complications
5
Troubles neurologiques
Crises
Maladies neurodégénératives
Alzheimer
Troubles de l'apprentissage
Transmission synaptique
Troubles psychotiques
Neurotransmetteurs
Schizophrénie
Dysfonctionnements synaptiques
Facteurs de risque
5
Tabagisme
Fonction synaptique
Maladies chroniques
Diabète
Inactivité physique
Santé cognitive
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"text": "Des tests électrophysiologiques et des imageries cérébrales peuvent être utilisés."
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"name": "Quels examens sont utilisés pour évaluer la transmission synaptique ?",
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"text": "L'IRM fonctionnelle et l'électroencéphalogramme (EEG) sont couramment utilisés."
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"@type": "Question",
"name": "Quels symptômes indiquent un problème de transmission synaptique ?",
"position": 3,
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"text": "Des troubles de la mémoire, des convulsions ou des changements de comportement peuvent survenir."
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"name": "Quels marqueurs biologiques sont associés à la transmission synaptique ?",
"position": 5,
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"text": "Des protéines comme la synaptophysine peuvent servir de marqueurs pour la synapse."
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"@type": "Question",
"name": "Quels symptômes sont liés à une transmission synaptique altérée ?",
"position": 6,
"acceptedAnswer": {
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"text": "Des symptômes incluent des troubles cognitifs, des spasmes musculaires et des douleurs."
}
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"@type": "Question",
"name": "Comment la dépression affecte-t-elle la transmission synaptique ?",
"position": 7,
"acceptedAnswer": {
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"text": "La dépression peut réduire la plasticité synaptique, affectant la communication neuronale."
}
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"@type": "Question",
"name": "Les troubles de l'humeur sont-ils liés à la transmission synaptique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent provoquer des troubles de l'humeur."
}
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{
"@type": "Question",
"name": "Quels signes neurologiques peuvent indiquer un problème synaptique ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes incluent des tremblements, des troubles de la coordination et des réflexes anormaux."
}
},
{
"@type": "Question",
"name": "La fatigue chronique est-elle liée à la transmission synaptique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans la transmission synaptique peuvent contribuer à la fatigue chronique."
}
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{
"@type": "Question",
"name": "Comment prévenir les troubles de la transmission synaptique ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, est essentiel."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il la transmission synaptique ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut altérer la transmission synaptique et la plasticité."
}
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{
"@type": "Question",
"name": "L'exercice physique influence-t-il la transmission synaptique ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier favorise la santé neuronale et la transmission synaptique."
}
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{
"@type": "Question",
"name": "Les habitudes de sommeil affectent-elles la transmission synaptique ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un sommeil de qualité est crucial pour la régénération synaptique et cognitive."
}
},
{
"@type": "Question",
"name": "La méditation peut-elle améliorer la transmission synaptique ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la méditation peut augmenter la plasticité synaptique et réduire le stress."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour améliorer la transmission synaptique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les antidépresseurs et les nootropiques peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "La thérapie cognitive peut-elle aider la transmission synaptique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut améliorer la plasticité synaptique et la fonction cognitive."
}
},
{
"@type": "Question",
"name": "Les suppléments alimentaires influencent-ils la transmission synaptique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains suppléments comme les oméga-3 peuvent favoriser la santé synaptique."
}
},
{
"@type": "Question",
"name": "Comment la stimulation cérébrale affecte-t-elle la transmission synaptique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La stimulation cérébrale peut renforcer les connexions synaptiques et améliorer la fonction."
}
},
{
"@type": "Question",
"name": "Les thérapies comportementales aident-elles la transmission synaptique ?",
"position": 20,
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"text": "Oui, elles peuvent améliorer les interactions neuronales et la plasticité synaptique."
}
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{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des troubles de l'humeur et des crises."
}
},
{
"@type": "Question",
"name": "Les maladies neurodégénératives affectent-elles la transmission synaptique ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme Alzheimer altèrent gravement la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Comment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans la transmission synaptique peuvent entraîner des difficultés d'apprentissage."
}
},
{
"@type": "Question",
"name": "Les troubles psychotiques sont-ils liés à la transmission synaptique ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent contribuer aux troubles psychotiques."
}
},
{
"@type": "Question",
"name": "La schizophrénie affecte-t-elle la transmission synaptique ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la schizophrénie est associée à des dysfonctionnements dans la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque influencent la transmission synaptique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs comme l'âge, le stress et la génétique peuvent influencer la transmission."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans la transmission synaptique ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en nutriments favorise une transmission synaptique saine."
}
},
{
"@type": "Question",
"name": "Le tabagisme affecte-t-il la transmission synaptique ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut altérer la fonction synaptique et augmenter le risque de troubles."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques influencent-elles la transmission synaptique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète peuvent affecter la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Le manque d'activité physique est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'inactivité physique peut nuire à la santé synaptique et cognitive."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 23/02/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany. dietmar.schmitz@charite.de.
Berlin Institute of Health, 10178, Berlin, Germany. dietmar.schmitz@charite.de.
German Center for Neurodegenerative Diseases (DZNE), 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Cluster of Excellence NeuroCure, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Einstein Center for Neurosciences Berlin, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Publications dans "Transmission synaptique" :
2 publications dans cette catégorie
Affiliations :
Department of Basic Neurosciences, Medical Faculty, University of Geneva, CH-1211 Geneva, Switzerland. christian.luscher@unige.ch.
Clinic of Neurology, Department of Clinical Neurosciences, Geneva University Hospital, CH-1211 Geneva, Switzerland.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Laboratoire de Physique de l'Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, Paris, France.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, Université Laval, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: natali.chanaday@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: ege.kavalali@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA. yakel@niehs.nih.gov.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA. Electronic address: ryan.hibbs@utsouthwestern.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Laboratorio de Neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores, Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, México. Electronic address: aehe67@gmail.com.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
School of Advanced Science and Engineering, Department of Electrical Engineering and Biosciences, Waseda University, Tokyo, Japan.
Department of Neurophysiology, Keio University School of Medicine, Tokyo, Japan.
Japan Science and Technology Agency, PRESTO, Kawaguchi, Saitama, Japan.
Laboratory for Developmental Neurobiology, RIKEN Center for Brain Science, Wako, Japan.
Publications dans "Transmission synaptique" :
The diagnosis of Dementia with Lewy Bodies (DLB) is challenging due to various clinical presentations and clinical and neuropathological features that overlap with Alzheimer's disease (AD). The use of...
This retrospective study comprises 81 patients with a clinical diagnosis of DLB or AD that underwent...
Visual assessment of 18F-FDG-PET showed an accuracy of 62%-77% in differentiating between DLB and AD. Standard uptake values were significantly lower in the primary visual cortex and the lateral occip...
Semiquantitative 18F-FDG-PET imaging and especially the use of an optimized cingulate island ratio are valuable tools to differentiate between DLB and AD....
Brain...
We retrospectively included 28 consecutive outpatients who presented with post-COVID-19 conditions between September 2020 and May 2022 and who satisfied the WHO definition, and had a brain...
Outpatients with post-COVID-19 conditions exhibited diffuse hypometabolism predominantly involving right frontal and temporal lobes including the orbito-frontal cortex and internal temporal areas. Met...
Outpatients with post-COVID-19 conditions exhibited extensive hypometabolic right fronto-temporal clusters. Patients with more numerous symptoms during the initial phase and with a longer duration of ...
Recent research in neuroimmunology has revolutionized our understanding of the intricate interactions between the immune system and the central nervous system (CNS). The CNS, an "immune-privileged org...
Traumatic brain injury (TBI) is associated with greater 'brain age' that may be caused by atrophy in grey and white matter. Here, we investigated 'brain age' in a chronic TBI (≥10 years) sample. We ex...
While fluctuations in healthy brain temperature have been investigated over time periods of weeks to months, dynamics over shorter time periods are less clear....
To identify physiological fluctuations in brain temperature in healthy volunteers over time scales of approximately 1 hour....
Prospective....
A total of 30 healthy volunteers (15 female; 26 ± 4 years old)....
3 T; T1-weighted magnetization-prepared rapid gradient-echo (MPRAGE) and semi-localized by adiabatic selective refocusing (sLASER) single-voxel spectroscopy....
Brain temperature was calculated from the chemical shift difference between N-acetylaspartate and water. To evaluate within-scan repeatability of brain temperature and the brain-body temperature diffe...
A hierarchical linear mixed model was used to calculate within-scan and between-scan correlations (R...
A significant difference in brain temperature was observed between scans (-0.4 °C) but body temperature was stable (P = .59). Brain temperature (37.9 ± 0.7 °C) was higher than body temperature (36.5 ±...
Significant changes in brain temperature over time scales of ~1 hour were observed. High short-term repeatability suggests temperature changes appear to be due to physiology rather than measurement er...
2 TECHNICAL EFFICACY: Stage 1....
Survival and adaptation in environments require swift and efficacious learning about what is dangerous. Across species, much of such threat learning is acquired socially, e.g., through the observation...
The gut, along with its microbiota (MB-gut), is the largest absorption organ and reservoir of bacteria in the human body [...]....
Electrical stimulation of...
Human individuality is likely underpinned by the constitution of functional brain networks that ensure consistency of each person's cognitive and behavioral profile. These functional networks should, ...
Millions of nerves, immune factors, and hormones in the circulatory system connect the gut and the brain. In bidirectional communication, the gut microbiota play a crucial role in the gut-brain axis (...